1.An image processing tool has a collection of built-in geometry shapes. A user can drag and drop these shapes into a canvas and use them as part of his/her artwork. Which design pattern can be applied here to support the creation of artwork from built-in shapes?

Pick the design pattern below that applies then explain as to why?

Singleton

Object Pool

Filter

Read-Only Interface

Motivation

Composite

Builder

Prototype

Abstract Factory

Factory Method

Proxy

Immutable Objects

Object Comparision

Marker Interface

Java Cloneable Interface

2. In a university, there are students in their freshman, sophomore, junior, or senior year, and students can enroll into majors offered by four schools: School of Science, School of Business, School of Engineering, and School of Humanity. What design pattern(s) can be used to design a system that allows a student to pursue more than one major? Check all that apply

Delegation

Filter

Abstract class

Builder

Proxy